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8 PROGRAMMING
MELSEC-QnA
Table 8.1 Link special relay list (continued)
Availability
(
: available,
: not available )
Online
Number Name Description
Master
station
Local
station
Offline
SB0094 1
Transient transmission
status
Indicates the transient transmission error occurrence status
(SW0094 to SW00897).
OFF : No error
ON : Error
Depending on the refresh timing, this relay may be updated with the
difference of one sequence scan from the update of Transient
transmission error status (SW0094 to SW0097).
SB0095 1
Master station transient
transmission status
Indicates the transient transmission status of the master station.
OFF : Normal
ON : Error
SB00A0 2
RECV instruction (1)
execution request flag
Indicates the RECV instruction execution request status (when
channel 1 is used). (Usable on AJ61QBT11 and A1SJ61QBT11)
OFF : No execution request
ON : Execution request
SB00A1 2
RECV instruction (2)
execution request flag
Indicates the RECV instruction execution request status (when
channel 1 is used). (Usable on AJ61QBT11 and A1SJ61QBT11)
OFF : No execution request
ON : Execution request
1: Link special
relay
added to the function version B or later
2: Link special
relay
added to the software version J manufactured in Jan., 1998 or later